SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

Data Set Options for Relational Databases 4 BL_EXECUTE_CMD= Data Set Option 249BL_EXECUTE_CMD= Data Set OptionSpecifies the operating system command for segment instances to run.Default value: noneValid in: DATA and PROC steps (when accessing DBMS data using SAS/ACCESSsoftware)Restriction: Only for Web tablesDBMS Support: GreenplumSyntaxBL_EXECUTE_CMD=command | scriptSyntax Descriptioncommandspecifies the operating system command for segment instances to run.scriptspecifies a script that contains one or more operating system commands for segmentinstances to run.DetailsTo specify this option, you must first set BULKLOAD=YES.Output is Web table data at the time of access. Web tables that you define with anEXECUTE clause run the specified shell command or script on the specified hosts. Bydefault, all active segment instances on all segment hosts run the command. Forexample, if each segment host runs four primary segment instances, the command isexecuted four times per host. You can also limit the number of segment instances thatexecute the command.See Also“BL_EXECUTE_LOCATION= Data Set Option” on page 250“BL_EXTERNAL_WEB= Data Set Option” on page 252“BULKLOAD= Data Set Option” on page 290